Military Heisman Winners Signed Replica Mini Helmet 5 Sigs Davis PSA 33589 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Heisman Trophy replica mini helmet that was personally autographed by Military Heisman winners including Glenn Davis with Mr Outside, Doc Blanchard with Mr Inside, Pete Dawkins, Joe Bellino and Roger Staubach. Includes a certificate of authenticity from Professional Sports Authentication (PSA) and Denver Autographs.